<script setup>
import {
    Management,
    Promotion,
    UserFilled,
    User,
    Crop,
    EditPen,
    SwitchButton,
    CaretBottom
} from '@element-plus/icons-vue'
import avatar from '@/assets/default.png'


//调用函数，获取用户详细信息
import { userInfoService } from '@/api/user';
import { useUserInfoStore } from '@/stores/userInfo.js';
import { useTokenStore } from '@/stores/token';
const tokenStore = useTokenStore();
const userInfoStore =  useUserInfoStore();
const getUserInfo = async() => {
    let result = await userInfoService();
    //数据存储到pinia中
    userInfoStore.setInfo(result.data);
}

getUserInfo();

//右上角条目被点击后调用的函数 
import { useRouter } from 'vue-router';
import { ElMessage } from 'element-plus';
import { ElMessageBox } from 'element-plus';
//router实例本身不是响应式的，但它提供了方法和属性,如push，replace，currentRoute等
const router = useRouter();
const handleCommand = (command) =>  {
//判断指令
if(command === 'logout'){
    ElMessageBox.confirm(
    '确定要退出吗？',    
    '您将退出登录！',
    {
      confirmButtonText: '确认',
      cancelButtonText: '取消',
      type: 'warning',
    }
  )
    .then(async() => {
        //退出登录
        /* 
        在这里，可以在后端删除Redis中的token数据，但是面对大量用户退出时会严重损失性能
        所以一般不去删除Redis中的token数据，把token设置好过期事件就行了
        */
    //1.清空pinia中存储的token和个人信息
    tokenStore.removeToken();
    userInfoStore.removeInfo();
    //2.跳转登录页
    router.push('/login')
      ElMessage({
        type: 'success',
        message: '账号已退出！',
      })
    })
    .catch(() => {
      ElMessage({
        type: 'info',
        message: '用户取消退出登录！',
      })
    })
}else{
    //路由
    router.push('/user/' + command)
}
}

</script>

<template>
    <!-- element-plus中的器-->
    <el-container class="layout-container">
        <!-- 左侧菜单 -->
        <el-aside width="200px">
            <div class="el-aside__logo"></div>
            <!-- element-plus的菜单标签  -->
            <el-menu active-text-color="#ffd04b" background-color="#232323"  text-color="#fff"
                router>
                <el-menu-item index="/article/category">
                    <el-icon>
                        <Management />
                    </el-icon>
                    <span>文章分类</span>
                </el-menu-item>
                <el-menu-item index="/article/manage">
                    <el-icon>
                        <Promotion />
                    </el-icon>
                    <span>文章管理</span>
                </el-menu-item>
                <el-sub-menu>
                    <template #title>
                        <el-icon>
                            <UserFilled />
                        </el-icon>
                        <span>个人中心</span>
                    </template>
                    <el-menu-item index="/user/info">
                        <el-icon>
                            <User />
                        </el-icon>
                        <span>基本资料</span>
                    </el-menu-item>
                    <el-menu-item index="/user/avatar">
                        <el-icon>
                            <Crop />
                        </el-icon>
                        <span>更换头像</span>
                    </el-menu-item>
                    <el-menu-item index="/user/resetpassword">
                        <el-icon>
                            <EditPen />
                        </el-icon>
                        <span>重置密码</span>
                    </el-menu-item>
                </el-sub-menu>
            </el-menu>
        </el-aside>
        <!-- 右侧主区域 -->
        <el-container>
            <!-- 头部区域 -->
            <el-header>
                <div> 用户：<strong>{{ userInfoStore.info.nickname }}</strong></div>
                <!-- 下拉菜单 -->
                <!-- commond:条目被点击后会触发，在事件函数上可以声明一个函数，接受条目对应的指令 -->
                <el-dropdown placement="bottom-end" @command="handleCommand">
                    <!--  这里的userPic时后端返回回来的头像url -->
                    <span class="el-dropdown__box">
                        <el-avatar :src="userInfoStore.info.userPic ? userInfoStore.info.userPic : avatar" />
                        <el-icon>
                            <CaretBottom />
                        </el-icon>
                    </span>
                    <template #dropdown>
                        <el-dropdown-menu>
                            <el-dropdown-item command="info" :icon="User">基本资料</el-dropdown-item>
                            <el-dropdown-item command="avatar" :icon="Crop">更换头像</el-dropdown-item>
                            <el-dropdown-item command="resetPassword" :icon="EditPen">重置密码</el-dropdown-item>
                            <el-dropdown-item command="logout" :icon="SwitchButton">退出登录</el-dropdown-item>
                        </el-dropdown-menu>
                    </template>
                </el-dropdown>
            </el-header>
            <!-- 中间区域 -->
            <el-main>
                <!-- 内容展示区 -->
                <router-view></router-view>
            </el-main>
            <!-- 底部区域 -->
            <el-footer>大事件 ©2024 Created by Jie</el-footer>
        </el-container>
    </el-container>
</template>

<style lang="scss" scoped>
.layout-container {
    height: 100vh;

    .el-aside {
        background-color: #232323;

        &__logo {
            height: 120px;
            background: url('@/assets/logo.png') no-repeat center / 120px auto;
        }

        .el-menu {
            border-right: none;
        }
    }

    .el-header {
        background-color: #fff;
        display: flex;
        align-items: center;
        justify-content: space-between;

        .el-dropdown__box {
            display: flex;
            align-items: center;

            .el-icon {
                color: #999;
                margin-left: 10px;
            }

            &:active,
            &:focus {
                outline: none;
            }
        }
    }

    .el-footer {
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        color: #666;
    }
}
</style>